center and nasa is set to rent or sell off some of the facilities and some are for nascar tests and boeing is paying for space to build a commercial spaceship. >>> the top spot of the treasury department could become vacant just as congress gets ready for the debt ceiling debate. what does president obama have up his sleeve? that's next. this is msnbc. [ female announcer ] how do you define your moment? the blissful pause just before that rich sweetness touches your lips. the delightful discovery, the mid-sweetening realization that you have the house all to yourself. well, almost. the sweet reward,making a delie that's also a smart choice. splenda no-calorie sweetener. with the original sugar-like taste you love and trust. splenda makes the moment yours. >>> president obama out for a little refreshment with malia and sasha there on the family vacation in hawaii. first family wrapping up their holiday vacation later today. >>> when president obama returns to washington he'll have two big cabinet posts to fill. the current favorite for secretary of defense is taking heat on a range of issue